3
corrupt(adjective, false, dishonest, deceitful, lying)
3
deceiving(adjective, fake, false, counterfeit, dishonest)
3
ersatz(adjective, fake, unusual, strange, counterfeit)
3
fallacious(adjective, fake, false, counterfeit, dishonest)
3
fawning
3
goody
3
guileful(adjective, false, dishonest, cunning, deceitful)
3
indirect(adjective, false, restrained, dishonest, cunning)
3
left-handed(adjective, honest, awkward)
3
manufactured(adjective, fake, counterfeit, sham, phony)
3
mealymouthed
3
misleading(adjective, fake, false, counterfeit, dishonest)
3
mock(adjective, fake, false, counterfeit, fantastic)
3
obsequious
3
oleaginous(adjective, smooth, offensive, coarse, excessive)
3
plausible(smooth, lying, misleading, artful, facile)
3
put-on(adjective, fake, unusual, counterfeit, dishonest)
3
sneaky(adjective, false, dishonest, cunning, deceitful)
3
snide(adjective, smooth, fake, false, counterfeit)
3
stiff(adjective, counterfeit, affected, hollow, pretentious)
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APASmart Define. (2016). insincere thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/insincere/thesaurus/synonyms
ChicagoSmart Define. 2016. "insincere thesaurus" https://smartdefine.org/insincere/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, insincere thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/insincere/thesaurus/synonyms>.
MLASmart Define. "insincere thesaurus" 14 March 2016. Web. 29 September 2026. <https://smartdefine.org/insincere/thesaurus/synonyms>